______ lines are, by definition, lines on the same plane that never join.
A: Lateral
B: Intersecting
C: Vertical
D: Parallel
A: Lateral
B: Intersecting
C: Vertical
D: Parallel
举一反三
- The contour lines on the plane are the lines parallel to the H-plane in the plane.
- on a map, there are horizontal lines and ____ lines. A: vertical <br/>B,<br/>straight <br/>parallel<br/>Double
- How many regions would 79 lines separate a 2-D plane? Assume that no three lines cross at the same point, i.e. lines only cross in pairs.<br/>______
- Aredimension lines thicker, thinner, or the same thickness as extension lines?
- On the ideal conductor surface, the relationship between the electric field lines and the conductor surface is A: the electric field lines is always pertendicular to the conductor surface. B: the electric field lines is always parallel to the conductor surface. C: there is no electri field lines exsited. D: unable to determine the relationship.